public class Test8 {
    public static void main(String[] args) {
        Thread t =  new Thread(()->{
            for (int i = 0; i < 5; i++){
               System.out.println("hello thread");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                   e.printStackTrace();
               }
           }
        });
//        t.start();
        t.run();

        while(true){
            System.out.println("hello main");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
